Metallurgy Flashcards
explain hall’s process
how are metals like zinc,cadmium,mercury purified?
Distillation
which impurities does impure zinc contain?
cadmium and platinum
at what temperatures zinc and cadmium are heated and vapourised in distillation purification?
920°C and 767°C
which ore is galena and cinnabar
PbS,HgS
zinc blende and copper glance
ZnS,Cu2S
fool’s gold and argentite
Fe2S and Ag2S
copper pyrite and fluorspar
CuFeS2 and CaF2
Horn Silver formula
AgCl
Haematite and Magnetite
Fe2O3 and Fe3O4
Kaolinite formula it is a form of clay
Al2(OH)4.Si2O5
what the fuck is ruby copper?
Cuprite or Cu2O
Pitch blende bruh damn
U3O8 😳
why cant we do carbon reduction of chromium
because chromium forms carbide which is not desirable
explain cyanide process for gold
this is it pretty much. after this further purification maybe